Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

Generation principle of acid waste water in coal mine

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

Generation principle of acid waste water in coal mine
Chromium removal from industrial wastewater using ...
Chromium removal from industrial wastewater using ...

22/8/2018, · In order to study the possibility of repeated use of Cu-S·PPP-SH, the efficiency of chromium removal was also tested using hexavalent chromium-electroplating ,wastewater, and trivalent chromium-tanning ,wastewater,. 0.5 g Cu-S·PPP-SH was added to a conical flask containing 100mL of electroplating ,wastewater, or tanning ,wastewater, sample and shaken at …

Pilot-scale removal of chromium from industrial wastewater ...
Pilot-scale removal of chromium from industrial wastewater ...

Design and operation of the pilot plant Primary bacterium used to inoculate the bioreactor, Acinetobac- ter haemolyticus (A. haemolyticus), was isolated from the Cr(VI)- The schematic diagram for the 0.2 m3 pilot plant of the ,Chrome,- containing ,wastewater, from a batek (textile-related) manufactur- Bac™ system to remove chromium from industrial electroplating ing premise in Kota Bharu ...

Pilot-scale removal of chromium from industrial wastewater ...
Pilot-scale removal of chromium from industrial wastewater ...

Design and operation of the pilot plant Primary bacterium used to inoculate the bioreactor, Acinetobac- ter haemolyticus (A. haemolyticus), was isolated from the Cr(VI)- The schematic diagram for the 0.2 m3 pilot plant of the ,Chrome,- containing ,wastewater, from a batek (textile-related) manufactur- Bac™ system to remove chromium from industrial electroplating ing …

Removal of Chromium from Industrial Wastewater by ...
Removal of Chromium from Industrial Wastewater by ...

Preparation of adsorbate solution The stock solution of Cr (VI) containing concentration of 1000 mg/l was prepared by dissolving 2.829 g of potassium dichromate, K 2 Cr 2 O 7 analytical grade, in 1000 ml of deionized water. The stock solution was further diluted with distilled water to …

Possibilities of chromium (III) separation from acid ...
Possibilities of chromium (III) separation from acid ...

This paper describes the problem of recovery and reusing chromium from aqueous solutions. The authors studied a novel ,double-carrier supported liquid membrane, system (DCSLM) with di(2-ethylhexyl) phosphoric ,acid, (D2EHPA) and bis(2,4,4-trimethyl) phosphinic ,acid, (Cyanex272) as a carrier of Cr(III) ions as a method to separate chromium (III) from ,acid, solutions.

Recovery and reuse of chromium from tannery wastewaters ...
Recovery and reuse of chromium from tannery wastewaters ...

27/8/2004, · Brown seaweed (Turbinaria spp) was pre‐treated with sulfuric ,acid,, calcium chloride and magnesium chloride and tested for its ability to remove chromium from tannery ,wastewater,. Protonated seaweeds gave...

ICMIEE18-287 Efficiency of Tamarindusindica Seed Charcoal ...
ICMIEE18-287 Efficiency of Tamarindusindica Seed Charcoal ...

of ,chrome, liquor [4]. Conventionally,,chrome, tanning ,wastewater, contains 1500-3000 mg/L chromium [5]. Hashem et al. [6] reported that chromium content in the wet ,blue, waste ,chrome, liquor ranges from 2656-5420 mg/L. Balamurugan et al. [7] reported that chromium (III) in the environment under certain legend conditions leads

International Journal of Water and Wastewater Treatment ...
International Journal of Water and Wastewater Treatment ...

Optimization of rambutan peel based activated carbon ,preparation, conditions for Remazol Brilliant ,Blue, R removal, Chemical Engineering Journal, 168, 280-285. O.S. Bello, M.A. Ahmad, T.S. Tan (2011).Utilization of cocoa pod husk for the removal of Remazol Black B reactive dye from Aqueous Solutions: Kinetic, equilibrium and thermodynamic studies, Trends in Applied Sciences Research, …

HSO and J.K. Impex | HSO Herbert Schmidt GmbH & Co. KG
HSO and J.K. Impex | HSO Herbert Schmidt GmbH & Co. KG

HSO and J.,K,. Impex | HSO Herbert Schmidt GmbH & Co. KG. HSO EcoChrome ,BLUE, deposits light, trivalent ,chrome, layers in a real ,chrome, (VI)-look with matched passivation for highest corrosion protection requirements! By many OEMs officially released for use in the automotive field. For more information: Talk to us!

Reduction of COD and chromium and decolourisation of ...
Reduction of COD and chromium and decolourisation of ...

acid3, colour removal from textile effluents using hardwood sawdust as an absorbent4, adsorption of dyes on AC synthesized from agricultural residue 5-7, adsorption of Cr(VI) on activated rice husk carbon and activated alumina8,utilization of various agricultural waste for AC ,preparation, and application for removal of dyes and metal

Wastewater Characterization - Hazardous Wastes
Wastewater Characterization - Hazardous Wastes

In the ,chrome, green process plant, the ,wastewater, generated contains sodium nitrate, sodium chloride, ammonium sulfate, ferrous sulfate, sulfuric ,acid,, and iron ,blue, pigment particulates, when iron ,blue, is one of the essential raw materials. Results of raw waste load found in verification sampling of a ,chrome, pigment plant are given in Table 22.10.

Cellulose-based membrane for adsorption of dye in batik ...
Cellulose-based membrane for adsorption of dye in batik ...

The hydrogels of CMC-acrylamide-graphene oxide were utilized for adsorption ,of Acid Blue,-133 with maximum adsorption capacity of 185.45 mg.g-1. 21 CMC and tannin were combined and crosslinked with epichlorohydrin, shows maximum adsorption capacity of 1300 mg.g-1, when concentration of MB was lower than 2000 mg.L-1. 22 Zhang et al. (2014) developed a CMC composite membrane by grafting acrylic ,acid, (CA) and was able to absorb Methyl Orange, Disperse ,Blue, …

Reduction of COD and chromium and decolourisation of ...
Reduction of COD and chromium and decolourisation of ...

acid3, colour removal from textile effluents using hardwood sawdust as an absorbent4, adsorption of dyes on AC synthesized from agricultural residue 5-7, adsorption of Cr(VI) on activated rice husk carbon and activated alumina8,utilization of various agricultural waste for AC ,preparation, and application for removal of dyes and metal

HSO and J.K. Impex | HSO Herbert Schmidt GmbH & Co. KG
HSO and J.K. Impex | HSO Herbert Schmidt GmbH & Co. KG

HSO and J.,K,. Impex | HSO Herbert Schmidt GmbH & Co. KG. HSO EcoChrome ,BLUE, deposits light, trivalent ,chrome, layers in a real ,chrome, (VI)-look with matched passivation for highest corrosion protection requirements! By many OEMs officially released for use in the automotive field. For more information: Talk to us!

15.1 Precipitation and Dissolution – Chemistry
15.1 Precipitation and Dissolution – Chemistry

Determination of ,K, sp from Gram Solubility Many of the pigments used by artists in oil-based paints are sparingly soluble in water. For example, the solubility of the artist’s pigment ,chrome, yellow, PbCrO 4, is 4.6 × 10 –6 g/L. Determine the solubility product equilibrium constant for PbCrO 4. …

15.1 Precipitation and Dissolution – Chemistry
15.1 Precipitation and Dissolution – Chemistry

Determination of ,K, sp from Gram Solubility Many of the pigments used by artists in oil-based paints are sparingly soluble in water. For example, the solubility of the artist’s pigment ,chrome, yellow, PbCrO 4, is 4.6 × 10 –6 g/L. Determine the solubility product equilibrium constant for PbCrO 4. Figure 2.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City